FreeCalypso > hg > ice1-trau-tester

comparison ater/tx_func.c @ 51:db39e8855f3d

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ater: implement play-d144
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 25 Sep 2024 05:53:38 +0000
parents 40f781efdbe1
children 626180a15857
comparison
equal deleted inserted replaced
50:6ba4de500532 51:db39e8855f3d
7 #include <stdio.h> 7 #include <stdio.h>
8 #include <stdlib.h> 8 #include <stdlib.h>
9 #include <string.h> 9 #include <string.h>
10 #include <unistd.h> 10 #include <unistd.h>
11 11
12 #include <osmocom/core/bits.h>
12 #include <osmocom/core/msgb.h> 13 #include <osmocom/core/msgb.h>
13 #include <osmocom/core/select.h> 14 #include <osmocom/core/select.h>
14 #include <osmocom/isdn/i460_mux.h> 15 #include <osmocom/isdn/i460_mux.h>
15 #include <osmocom/trau/trau_frame.h> 16 #include <osmocom/trau/trau_frame.h>
16 17
134 fr->c_bits[5] = ir_16k; 135 fr->c_bits[5] = ir_16k;
135 memset(fr->c_bits + 6, 1, 9); 136 memset(fr->c_bits + 6, 1, 9);
136 memset(fr->d_bits, 1, 63 * 4); 137 memset(fr->d_bits, 1, 63 * 4);
137 } 138 }
138 139
140 static void d144_play_frame(struct ater_subslot *at, const uint8_t *filerec)
141 {
142 struct osmo_trau_frame *fr = &at->ul_frame;
143 struct msgb *msg;
144 int len;
145
146 msg = msgb_alloc_c(g_ctx, 320, "TRAU-UL-frame");
147 if (!msg)
148 return;
149 fr->type = OSMO_TRAU16_FT_EDATA;
150 fr->dir = OSMO_TRAU_DIR_UL;
151 fr->c_bits[5] = 0;
152 memset(fr->c_bits + 6, 1, 7);
153 fr->m_bits[0] = (filerec[1] & 2) >> 1;
154 fr->m_bits[1] = filerec[1] & 1;
155 osmo_pbit2ubit(fr->d_bits, filerec + 2, 288);
156 len = osmo_trau_frame_encode(msg->tail, msgb_tailroom(msg), fr);
157 if (len <= 0) {
158 msgb_free(msg);
159 return;
160 }
161 msgb_put(msg, len);
162 osmo_i460_mux_enqueue(at->schan, msg);
163 }
164
139 static void handle_d144(int nr) 165 static void handle_d144(int nr)
140 { 166 {
141 struct ater_subslot *at = &subslots[nr]; 167 struct ater_subslot *at = &subslots[nr];
142 struct msgb *msg; 168 struct msgb *msg;
143 169
170 if (at->play_buffer) {
171 d144_play_frame(at, at->play_buffer + at->play_buf_ptr * 38);
172 at->play_buf_ptr++;
173 if (at->play_buf_ptr < at->play_buf_total)
174 return;
175 free(at->play_buffer);
176 at->play_buffer = NULL;
177 printf("file play finished\n");
178 return;
179 }
144 msg = msgb_alloc_c(g_ctx, 320, "TRAU-UL-frame"); 180 msg = msgb_alloc_c(g_ctx, 320, "TRAU-UL-frame");
145 if (!msg) 181 if (!msg)
146 return; 182 return;
147 memcpy(msg->tail, at->d144_edata ? d144_idle_edata : d144_sync_frame, 183 memcpy(msg->tail, at->d144_edata ? d144_idle_edata : d144_sync_frame,
148 320); 184 320);